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lwip_http_client.c File Reference
HTTP client. More...
Go to the source code of this file.
Functions | |
| static err_t | httpc_free_state (httpc_state_t *req) |
| Free http client state and deallocate all resources within. | |
| static err_t | httpc_close (httpc_state_t *req, httpc_result_t result, u32_t server_response, err_t err) |
| Close the connection: call finished callback and free the state. | |
| static err_t | http_parse_response_status (struct pbuf *p, u16_t *http_version, u16_t *http_status, u16_t *http_status_str_offset) |
| Parse http header response line 1. | |
| static err_t | http_wait_headers (struct pbuf *p, u32_t *content_length, u16_t *total_header_len) |
| Wait for all headers to be received, return its length and content-length (if available) | |
| static err_t | httpc_tcp_recv (void *arg, struct altcp_pcb *pcb, struct pbuf *p, err_t r) |
| http client tcp recv callback | |
| static void | httpc_tcp_err (void *arg, err_t err) |
| http client tcp err callback | |
| static err_t | httpc_tcp_poll (void *arg, struct altcp_pcb *pcb) |
| http client tcp poll callback | |
| static err_t | httpc_tcp_sent (void *arg, struct altcp_pcb *pcb, u16_t len) |
| http client tcp sent callback | |
| static err_t | httpc_tcp_connected (void *arg, struct altcp_pcb *pcb, err_t err) |
| http client tcp connected callback | |
| static err_t | httpc_get_internal_addr (httpc_state_t *req, const ip_addr_t *ipaddr) |
| Start the http request when the server IP addr is known. | |
| static void | httpc_dns_found (const char *hostname, const ip_addr_t *ipaddr, void *arg) |
| DNS callback If ipaddr is non-NULL, resolving succeeded and the request can be sent, otherwise it failed. | |
| static err_t | httpc_get_internal_dns (httpc_state_t *req, const char *server_name) |
| Start the http request after converting 'server_name' to ip address (DNS or address string) | |
| static err_t | httpc_init_connection_common (httpc_state_t **connection, const httpc_connection_t *settings, const char *server_name, u16_t server_port, const char *uri, altcp_recv_fn recv_fn, void *callback_arg, int use_host) |
| Initialize the connection struct. | |
| static err_t | httpc_init_connection (httpc_state_t **connection, const httpc_connection_t *settings, const char *server_name, u16_t server_port, const char *uri, altcp_recv_fn recv_fn, void *callback_arg) |
| Initialize the connection struct. | |
| static err_t | httpc_init_connection_addr (httpc_state_t **connection, const httpc_connection_t *settings, const ip_addr_t *server_addr, u16_t server_port, const char *uri, altcp_recv_fn recv_fn, void *callback_arg) |
| Initialize the connection struct (from IP address) | |
| err_t | httpc_get_file (const ip_addr_t *server_addr, u16_t port, const char *uri, const httpc_connection_t *settings, altcp_recv_fn recv_fn, void *callback_arg, httpc_state_t **connection) |
| HTTP client API: get a file by passing server IP address. | |
| err_t | httpc_get_file_dns (const char *server_name, u16_t port, const char *uri, const httpc_connection_t *settings, altcp_recv_fn recv_fn, void *callback_arg, httpc_state_t **connection) |
| HTTP client API: get a file by passing server name as string (DNS name or IP address string) | |
| static void | httpc_fs_result (void *arg, httpc_result_t httpc_result, u32_t rx_content_len, u32_t srv_res, err_t err) |
| Connection closed (success or error) | |
| static err_t | httpc_fs_init (httpc_filestate_t **filestate_out, const char *local_file_name, const httpc_connection_t *settings, void *callback_arg) |
| Initalize http client state for download to file system. | |
| static void | httpc_fs_free (httpc_filestate_t *filestate) |
| Free http client state for download to file system. | |
| static err_t | httpc_fs_tcp_recv (void *arg, struct altcp_pcb *pcb, struct pbuf *p, err_t err) |
| tcp recv callback | |
| err_t | httpc_get_file_to_disk (const ip_addr_t *server_addr, u16_t port, const char *uri, const httpc_connection_t *settings, void *callback_arg, const char *local_file_name, httpc_state_t **connection) |
| HTTP client API: get a file to disk by passing server IP address. | |
| err_t | httpc_get_file_dns_to_disk (const char *server_name, u16_t port, const char *uri, const httpc_connection_t *settings, void *callback_arg, const char *local_file_name, httpc_state_t **connection) |
| HTTP client API: get a file to disk by passing server name as string (DNS name or IP address string) | |
Detailed Description
HTTP client.
Definition in file lwip_http_client.c.
Function Documentation
| static err_t http_parse_response_status | ( | struct pbuf * | p, |
| u16_t * | http_version, | ||
| u16_t * | http_status, | ||
| u16_t * | http_status_str_offset | ||
| ) | [static] |
Parse http header response line 1.
Definition at line 207 of file lwip_http_client.c.
| static err_t http_wait_headers | ( | struct pbuf * | p, |
| u32_t * | content_length, | ||
| u16_t * | total_header_len | ||
| ) | [static] |
Wait for all headers to be received, return its length and content-length (if available)
Definition at line 248 of file lwip_http_client.c.
| static err_t httpc_close | ( | httpc_state_t * | req, |
| httpc_result_t | result, | ||
| u32_t | server_response, | ||
| err_t | err | ||
| ) | [static] |
Close the connection: call finished callback and free the state.
Definition at line 192 of file lwip_http_client.c.
| static void httpc_dns_found | ( | const char * | hostname, |
| const ip_addr_t * | ipaddr, | ||
| void * | arg | ||
| ) | [static] |
DNS callback If ipaddr is non-NULL, resolving succeeded and the request can be sent, otherwise it failed.
Definition at line 440 of file lwip_http_client.c.
| static err_t httpc_free_state | ( | httpc_state_t * | req ) | [static] |
Free http client state and deallocate all resources within.
Definition at line 157 of file lwip_http_client.c.
| static void httpc_fs_free | ( | httpc_filestate_t * | filestate ) | [static] |
Free http client state for download to file system.
Definition at line 760 of file lwip_http_client.c.
| static err_t httpc_fs_init | ( | httpc_filestate_t ** | filestate_out, |
| const char * | local_file_name, | ||
| const httpc_connection_t * | settings, | ||
| void * | callback_arg | ||
| ) | [static] |
Initalize http client state for download to file system.
Definition at line 723 of file lwip_http_client.c.
| static void httpc_fs_result | ( | void * | arg, |
| httpc_result_t | httpc_result, | ||
| u32_t | rx_content_len, | ||
| u32_t | srv_res, | ||
| err_t | err | ||
| ) | [static] |
Connection closed (success or error)
Definition at line 773 of file lwip_http_client.c.
| static err_t httpc_fs_tcp_recv | ( | void * | arg, |
| struct altcp_pcb * | pcb, | ||
| struct pbuf * | p, | ||
| err_t | err | ||
| ) | [static] |
tcp recv callback
Definition at line 788 of file lwip_http_client.c.
Start the http request when the server IP addr is known.
Definition at line 417 of file lwip_http_client.c.
| static err_t httpc_get_internal_dns | ( | httpc_state_t * | req, |
| const char * | server_name | ||
| ) | [static] |
Start the http request after converting 'server_name' to ip address (DNS or address string)
Definition at line 466 of file lwip_http_client.c.
| static err_t httpc_init_connection | ( | httpc_state_t ** | connection, |
| const httpc_connection_t * | settings, | ||
| const char * | server_name, | ||
| u16_t | server_port, | ||
| const char * | uri, | ||
| altcp_recv_fn | recv_fn, | ||
| void * | callback_arg | ||
| ) | [static] |
Initialize the connection struct.
Definition at line 594 of file lwip_http_client.c.
| static err_t httpc_init_connection_addr | ( | httpc_state_t ** | connection, |
| const httpc_connection_t * | settings, | ||
| const ip_addr_t * | server_addr, | ||
| u16_t | server_port, | ||
| const char * | uri, | ||
| altcp_recv_fn | recv_fn, | ||
| void * | callback_arg | ||
| ) | [static] |
Initialize the connection struct (from IP address)
Definition at line 605 of file lwip_http_client.c.
| static err_t httpc_init_connection_common | ( | httpc_state_t ** | connection, |
| const httpc_connection_t * | settings, | ||
| const char * | server_name, | ||
| u16_t | server_port, | ||
| const char * | uri, | ||
| altcp_recv_fn | recv_fn, | ||
| void * | callback_arg, | ||
| int | use_host | ||
| ) | [static] |
Initialize the connection struct.
Definition at line 507 of file lwip_http_client.c.
http client tcp connected callback
Definition at line 394 of file lwip_http_client.c.
| static void httpc_tcp_err | ( | void * | arg, |
| err_t | err | ||
| ) | [static] |
http client tcp err callback
Definition at line 353 of file lwip_http_client.c.
| static err_t httpc_tcp_poll | ( | void * | arg, |
| struct altcp_pcb * | pcb | ||
| ) | [static] |
http client tcp poll callback
Definition at line 365 of file lwip_http_client.c.
| static err_t httpc_tcp_recv | ( | void * | arg, |
| struct altcp_pcb * | pcb, | ||
| struct pbuf * | p, | ||
| err_t | r | ||
| ) | [static] |
http client tcp recv callback
Definition at line 280 of file lwip_http_client.c.
| static err_t httpc_tcp_sent | ( | void * | arg, |
| struct altcp_pcb * | pcb, | ||
| u16_t | len | ||
| ) | [static] |
http client tcp sent callback
Definition at line 383 of file lwip_http_client.c.
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