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Extend websocket error logs to include transport failure reason (IDFGH-13978) #14806

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Extend websocket error logs to include transport failure reason (IDFGH-13978) #14806

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093ea00
fix(ws_transport): correct split header bytes
bryghtlabs-richard Oct 10, 2024
175a42c
feat(ws_transport): include error reason in failure log
bryghtlabs-richard Oct 30, 2024
539213f
Merge branch 'master' into feat/ws-err-codes
bryghtlabs-richard Nov 18, 2024
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42 changes: 35 additions & 7 deletions components/tcp_transport/transport_ws.c
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Original file line number Diff line number Diff line change
Expand Up @@ -133,6 +133,34 @@ static int esp_transport_read_internal(transport_ws_t *ws, char *buffer, int len
return to_read;
}

static int esp_transport_read_exact_size(transport_ws_t *ws, char *buffer, int requested_len, int timeout_ms)
{
int total_read = 0;
int len = requested_len;

while (len > 0) {
int bytes_read = esp_transport_read_internal(ws, buffer, len, timeout_ms);

if (bytes_read < 0) {
return bytes_read; // Return error from the underlying read
}

if (bytes_read == 0) {
// If we read 0 bytes, we return an error, since reading exact number of bytes resulted in a timeout operation
ESP_LOGW(TAG, "Requested to read %d, actually read %d bytes", requested_len, total_read);
return -1;
}

// Update buffer and remaining length
buffer += bytes_read;
len -= bytes_read;
total_read += bytes_read;

ESP_LOGV(TAG, "Read fragment of %d bytes", bytes_read);
}
return total_read;
}

static char *trimwhitespace(char *str)
{
char *end;
Expand Down Expand Up @@ -357,7 +385,7 @@ static int _ws_write(esp_transport_handle_t t, int opcode, int mask_flag, const

int poll_write;
if ((poll_write = esp_transport_poll_write(ws->parent, timeout_ms)) <= 0) {
ESP_LOGE(TAG, "Error transport_poll_write");
ESP_LOGE(TAG, "Error transport_poll_write(%i)", poll_write);
return poll_write;
}
ws_header[header_len++] = opcode;
Expand Down Expand Up @@ -456,7 +484,7 @@ static int ws_read_payload(esp_transport_handle_t t, char *buffer, int len, int

// Receive and process payload
if (bytes_to_read != 0 && (rlen = esp_transport_read_internal(ws, buffer, bytes_to_read, timeout_ms)) <= 0) {
ESP_LOGE(TAG, "Error read data");
ESP_LOGE(TAG, "Error read data(%i)", rlen);
return rlen;
}
ws->frame_state.bytes_remaining -= rlen;
Expand Down Expand Up @@ -515,7 +543,7 @@ static int ws_read_header(esp_transport_handle_t t, char *buffer, int len, int t
int header = 2;
int mask_len = 4;
if ((rlen = esp_transport_read_exact_size(ws, data_ptr, header, timeout_ms)) <= 0) {
ESP_LOGE(TAG, "Error read data");
ESP_LOGE(TAG, "Error read data(%i)", rlen);
return rlen;
}
ws->frame_state.header_received = true;
Expand All @@ -529,15 +557,15 @@ static int ws_read_header(esp_transport_handle_t t, char *buffer, int len, int t
if (payload_len == 126) {
// headerLen += 2;
if ((rlen = esp_transport_read_exact_size(ws, data_ptr, header, timeout_ms)) <= 0) {
ESP_LOGE(TAG, "Error read data");
ESP_LOGE(TAG, "Error read data(%i)", rlen);
return rlen;
}
payload_len = (uint8_t)data_ptr[0] << 8 | (uint8_t)data_ptr[1];
} else if (payload_len == 127) {
// headerLen += 8;
header = 8;
if ((rlen = esp_transport_read_exact_size(ws, data_ptr, header, timeout_ms)) <= 0) {
ESP_LOGE(TAG, "Error read data");
ESP_LOGE(TAG, "Error read data(%i)", rlen);
return rlen;
}

Expand All @@ -552,7 +580,7 @@ static int ws_read_header(esp_transport_handle_t t, char *buffer, int len, int t
if (mask) {
// Read and store mask
if (payload_len != 0 && (rlen = esp_transport_read_exact_size(ws, buffer, mask_len, timeout_ms)) <= 0) {
ESP_LOGE(TAG, "Error read data");
ESP_LOGE(TAG, "Error read data(%i)", rlen);
return rlen;
}
memcpy(ws->frame_state.mask_key, buffer, mask_len);
Expand Down Expand Up @@ -647,7 +675,7 @@ static int ws_read(esp_transport_handle_t t, char *buffer, int len, int timeout_

if (ws->frame_state.payload_len) {
if ( (rlen = ws_read_payload(t, buffer, len, timeout_ms)) <= 0) {
ESP_LOGE(TAG, "Error reading payload data");
ESP_LOGE(TAG, "Error reading payload data(%i)", rlen);
ws->frame_state.bytes_remaining = 0;
return rlen;
}
Expand Down
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